diff --git a/.gitignore b/.gitignore
index 89e8fe742..2978618ee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,11 +7,29 @@
 .DS_Store
 
 # Certificate related credential files
+# Encoding of certificates and private keys
 *.pem
+*.der
+# Certificate related
 *.crt
 *.cer
+*.ca-bundle
+# Certificate signing request
+*.csr
+# Certificate revoking list
+*.crl
+# Private key related
 *.key
 *.p12
+*.pfx
+# PKCS#7 related
+*.p7b
+*.p7r
+*.p7r
+*.spc
 
 # apiserver local up cert trash
 apiserver.local.config
+
+# SQLite DB Files
+*.db